Finding the Third Proportional to 5,425,200 and 8,207,644

Step by Step Solution

1. Step 1: Write the proportion equation
   5,425,200 : 8,207,644 = 8,207,644 : x
2. Step 2: Convert to fraction form
   5,425,200/8,207,644 = 8,207,644/x
3. Step 3: Cross multiply
   5,425,200x = 8,207,644 × 8,207,644
4. Step 4: Simplify right side
   5,425,200x = 67,365,420,030,736
5. Step 5: Solve for x
   x = 67,365,420,030,736/5,425,200
6. Step 6: Final answer
   x = 12,417,131.17